Common item (white). What the game says, what it really does, what each copy adds and what it pairs with.

Focus Crystal
Common item (white)
You do 20% more damage to enemies close to you (within 13 m). Each extra crystal adds 20%.
Game text: «Increase damage to enemies within 13m by 20% (+20% per stack).»
Stacking: Each copy adds the same, no cap.
Watch out: It also boosts burn and bleed damage on nearby enemies.
| 1 copy | 2 copies | 3 copies | 5 copies | 10 copies |
|---|---|---|---|---|
| +20% | +40% | +60% | +100% | +200% |
Each copy adds the same.
Drops from small chests, white printers and almost anything that gives items.
Unlocked from the start: it can show up in any run.
You do 20% more damage to enemies close to you (within 13 m). Each extra crystal adds 20%.
Stacking: Each copy adds the same, no cap.Watch out: It also boosts burn and bleed damage on nearby enemies.
Drops from small chests, white printers and almost anything that gives items. Unlocked from the start: it can show up in any run.
Sources: the game's English text (name and description), the Risk of Rain 2 wiki (riskofrain2.wiki.gg: this item's page, read on 31 October 2026; numbers, stacking formula and notes) and the wiki's survivor pages. The plain-words text and the synergies are ours. Icons: Risk of Rain 2 (Hopoo Games / Gearbox).